ref: 255f282a60a8440707ac09fa68aa0499b777d2ce
dir: /engine/battle/move_effects/rain_dance.asm/
BattleCommand_StartRain: ; startrain ld a, WEATHER_RAIN ld [wBattleWeather], a ld a, 5 ld [wWeatherCount], a call AnimateCurrentMove ld hl, DownpourText jp StdBattleTextBox